character: Sylvia Earle
topic: Marine Ecosystems and Geological Factors
grade: 9
subject: Geography
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character: Jacques Cousteau
topic: Impact of Marine Life on Ecosystems
grade: 9
subject: Geography
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character: David Attenborough
topic: Geological Influence on Ocean Biodiversity
grade: 9
subject: Geography
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character: Rachel Carson
topic: Human Impact on Marine Ecosystems
grade: 9
subject: Geography
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